Stepladder



Aug. 3, 1943.

w. MUMBRALIER STEPLADDER Filed Feb. 12, 1942 laLdd'ers or fs fiands andS imilzir'devices, a'r'1d 11:1. iS

so'n, for'.instance one staridingjug'wor'; the 111313 er" tivelygimple"arid;ineXpensive COI1SiLTUCOII, 'yet duiable and highlYefiicie'nt in its operation.

provision of a, stepladder in which the safety device is equip'ped Witha platform which in the lowered position of the guard serves as alocking member, whih in the delevated position it is directly in freutof; the 013eratdr for supporting too1s, pailS, etc. U A

The stepladder according to my invention extendS by the provisionjof itssafety device, theuse of the ladder as such as it permits the fu1l useof all rungs up to the ubper platform,jandthe convenient locking anduniocking f the safety device in its upright as well as in its collapsedFig. 3 is a fragmentary' side elevation of the stpladder With the safetydevlce thereof in .its

elevated working position.

As illustrated, the usua1 stepladder I5] 01 the cullapsib-le typecomprises the p&irwise arra'nged, parallel legs II connected by therungs I3 ab 0ertain interva1s, supported at their ends by the usualcleats. The upper ends of the 1egs H, I2 are secured to the side boardsI4 on their outside and carry the platform I5. T0 a, transverse roddicited inFigine 3 where '13h6 plate26 serveS A still further object ofmy inventiori is the as a Support for pai1s, b1ilbs 01 otherwork-pieces, and in this positioh the p 25 engages the inner face pf amember 30 secure d 150 the ked'ge ofplatform I5, and said meinber 39 has.amedian spa'red body to a1low the release of the 100p by the.fingers ifit is desired swing themember 22 into its lowered pb'sition of restindicated in screws a1*e normetlly securing the ends of the segments 32near their s1ots to the respective legs. 1

In oberation, the 1ower end of the member 22 is gripped to 1e1ease thengagement btweenpla te 25 and its membe 21 with the springlatch 28.

whereupon the v'menfiber 22 is swting about its hinges 23, 24 into itsupright position illustrated in Fig. 3.

ladder member 311 and- Securelylcpck the meinbet '22 m i ts uprightposition. to pr'otect a person-Q standing on t he uppermost step o'rplatform I5 j.from falling fqrwardwhile engaged in using tools er otherparaphernalia' necessary to perform any work at hand, Upon releaseof"the lo'op by means of fingrg op9rating injth e recess 31 of 26 willrepress the latch byits men1ber 21 whemupon -the 1atch will be p'ressedby its spring 130 engage the platform 26 behind member 21 andthus If nowthe 1oop 25 is swimg about its .pivots 34, it' will engage the outerface of the

